How To Fix WM167 - Material group not defined in assortment mat. group master

WM167 - Overview

• Message type: E = Error

• Message class: WM - IS-R Assortments

• Message number: 167

• Message text: Material group not defined in assortment mat. group master

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WM167 - Material group not defined in assortment mat. group master ?

  The SAP error message WM167, which states "Material group not defined in assortment mat. group master," typically occurs in the context of Warehouse Management (WM) when the system is unable to find a defined material group in the assortment master data. This can happen during various processes, such as stock movements, inventory management, or when trying to create or manage materials in the warehouse.
  
  Cause:
  
  Missing Material Group Definition: The material group you are trying to use is not defined in the assortment master data.
  Incorrect Material Group Assignment: The material you are working with may not be assigned to the correct material group.
  Data Inconsistency: There may be inconsistencies in the master data, such as missing or incorrect entries in the material master or assortment master.
  
  
  Solution:
  
  
  Check Material Group Definition:
  
  Go to the transaction code OMD1 (or use the relevant path in your SAP system) to check the assortment master data.
  Ensure that the material group